Q15Comprehension1 Mark1 Dec 2024PassageLet A=[k−312−k]A=\begin{bmatrix}k&-3\\1&2-k\end{bmatrix}A=[k1−32−k], where kkk is a positive real number. Let I2I_2I2 denote the identity matrix of order 222. Answer the subquestions.If AAA is equivalent to I2I_2I2, then find the rank of AAA.Your answerPress Enter to check.